Which description is an example of a structural adaptation? Group of answer choices

Fish have gills to breathe in water.

Monarchs migrate to Mexico in the winter.

A dog comes to its owner when called.

Many bears hibernate in caves during winter.

Animals such as pronghorn antelope, bison ans badgers dot to the landscape. where are these animals located?

45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.

What is the difference between a scientific hypotheses and a scientific theory?